Boll Worm Stages

“Heliothis armiger: a moth; b, dark larva; c, lighter larva entering pod; d, pupa; e, last segment of same, ventral view.” -Department of Agriculture, 1899

Keywords

moth stages, boll worm, corn-ear worm, boll worm stages, heliothis armiger

Galleries

Insects Miscellaneous

Source

Geo. Wm. Hill, ed. Yearbook of the United States Department of Agriculture (Washington, DC: Government Printing Office, 1898)

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